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The original was posted on /r/linux by /u/spiderpower02 on 2026-03-27 08:20:35+00:00.
I’ve been working with RDMA/EFA while benchmarking distributed training workloads, and found that there isn’t really a good TUI tool (like htop/iftop) to monitor RDMA traffic. While rdma statistic exposes counters, it’s not very intuitive for real-time debugging.
So I built rdmatop, a small netlink-based TUI to visualize live RDMA RX/TX activity. It’s been useful for troubleshooting performance issues in RDMA-heavy workloads (e.g., multi-node training).
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